/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package AdminServlet;


import Business.LineItem;
import Business.Order;
import Model.DAO;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Hung
 */
public class UpdateStateOrder extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
       
        try {
          String orderid = request.getParameter("id");
          String state = request.getParameter("state");
          
          Connection conn = DAO.getConnection();
          String sql = "update shoppingonline.order set state = ? where idOrder = ?";
          PreparedStatement ps = conn.prepareStatement(sql);
          ps.setString(1, state);
          ps.setString(2, orderid);          
          ps.executeUpdate();
          System.out.println("Dang Cap nhat");
//          else out.println("Cập nhật thất bại!");
          HttpSession session = request.getSession();
          int stt= (Integer)session.getAttribute("stt");
          
          ArrayList<Order> orders = (ArrayList<Order>)session.getAttribute("orders");
          
          Order order = orders.get(stt);
          order.setStatus(state);
          
          ArrayList<LineItem> items = order.getLineItems();
          
          if(!state.equals("Chưa Thanh Toán"))
              for(LineItem item: items){
                  item.updateQuantity();
              }
                      
          
          response.sendRedirect("ViewOrderDetail?stt=" + stt);
          
          
          conn.close();
          
        } catch (SQLException ex) {
            Logger.getLogger(UpdateStateOrder.class.getName()).log(Level.SEVERE, null, ex);
        } 
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
